Examples with GraphDatabaseService org.neo4j.graphdb.GraphDatabaseService used on opensource projects

Example 6 with GraphDatabaseService

use of org.neo4j.graphdb.GraphDatabaseService in project neo4j by neo4j.

the class ImportToolTest method shouldBeAbleToImportAnonymousNodes.

@Test
public void shouldBeAbleToImportAnonymousNodes() throws Exception {
    // GIVEN
    List<String> nodeIds = asList("1", "", "", "", "3", "", "", "", "", "", "5");
    Configuration config = Configuration.COMMAS;
    List<RelationshipDataLine> relationshipData = asList(relationship("1", "3", "KNOWS"));
    // WHEN
    importTool("--into", dbRule.getStoreDirAbsolutePath(), "--nodes", nodeData(true, config, nodeIds, TRUE).getAbsolutePath(), "--relationships", relationshipData(true, config, relationshipData.iterator(), TRUE, true).getAbsolutePath());
    // THEN
    GraphDatabaseService db = dbRule.getGraphDatabaseAPI();
    try (Transaction tx = db.beginTx()) {
        Iterable<Node> allNodes = db.getAllNodes();
        int anonymousCount = 0;
        for (final String id : nodeIds) {
            if (id.isEmpty()) {
                anonymousCount++;
            } else {
                assertNotNull(Iterators.single(Iterators.filter(nodeFilter(id), allNodes.iterator())));
            }
        }
        assertEquals(anonymousCount, count(Iterators.filter(nodeFilter(""), allNodes.iterator())));
        tx.success();
    }
}

Example 7 with GraphDatabaseService

use of org.neo4j.graphdb.GraphDatabaseService in project neo4j by neo4j.

the class ImportToolTest method shouldBeEquivalentToUseRawAsciiOrCharacterAsQuoteConfiguration2.

@Test
public void shouldBeEquivalentToUseRawAsciiOrCharacterAsQuoteConfiguration2() throws Exception {
    // GIVEN
    // 126 ~ (tilde)
    char weirdDelimiter = 126;
    String weirdStringDelimiter = "~";
    String name1 = weirdDelimiter + "Weird" + weirdDelimiter;
    String name2 = "Start " + weirdDelimiter + "middle thing" + weirdDelimiter + " end!";
    File data = data(":ID,name", "1," + name1, "2," + name2);
    // WHEN given as string
    importTool("--into", dbRule.getStoreDirAbsolutePath(), "--nodes", data.getAbsolutePath(), "--quote", weirdStringDelimiter);
    // THEN
    assertEquals(weirdStringDelimiter, "" + weirdDelimiter);
    assertEquals(weirdStringDelimiter.charAt(0), weirdDelimiter);
    Set<String> names = asSet("Weird", name2);
    GraphDatabaseService db = dbRule.getGraphDatabaseAPI();
    try (Transaction tx = db.beginTx()) {
        for (Node node : db.getAllNodes()) {
            String name = (String) node.getProperty("name");
            assertTrue("Didn't expect node with name '" + name + "'", names.remove(name));
        }
        assertTrue(names.isEmpty());
        tx.success();
    }
}

Example 8 with GraphDatabaseService

use of org.neo4j.graphdb.GraphDatabaseService in project neo4j by neo4j.

the class ImportToolTest method shouldSkipEmptyFiles.

@Test
public void shouldSkipEmptyFiles() throws Exception {
    // GIVEN
    File data = data("");
    // WHEN
    importTool("--into", dbRule.getStoreDirAbsolutePath(), "--nodes", data.getAbsolutePath());
    // THEN
    GraphDatabaseService graphDatabaseService = dbRule.getGraphDatabaseAPI();
    try (Transaction tx = graphDatabaseService.beginTx()) {
        ResourceIterator<Node> allNodes = graphDatabaseService.getAllNodes().iterator();
        assertFalse("Expected database to be empty", allNodes.hasNext());
        tx.success();
    }
}

Example 9 with GraphDatabaseService

use of org.neo4j.graphdb.GraphDatabaseService in project neo4j by neo4j.

the class ConcurrentCreateAndGetRelationshipsIT method tryToReproduceTheIssue.

@Test
public void tryToReproduceTheIssue() throws Exception {
    // GIVEN
    GraphDatabaseService db = dbRule.getGraphDatabaseAPI();
    CountDownLatch startSignal = new CountDownLatch(1);
    AtomicBoolean stopSignal = new AtomicBoolean();
    AtomicReference<Exception> failure = new AtomicReference<Exception>();
    Node parentNode = createNode(db);
    Collection<Worker> workers = createWorkers(db, startSignal, stopSignal, failure, parentNode);
    // WHEN
    startSignal.countDown();
    sleep(500);
    stopSignal.set(true);
    awaitWorkersToEnd(workers);
    // THEN
    if (failure.get() != null) {
        throw new Exception("A worker failed", failure.get());
    }
}

Example 10 with GraphDatabaseService

use of org.neo4j.graphdb.GraphDatabaseService in project neo4j by neo4j.

the class GraphDatabaseServiceExecuteTest method shouldNotReturnInternalCartesianPointType.

@Test
public void shouldNotReturnInternalCartesianPointType() throws Exception {
    // given
    GraphDatabaseService graphDb = new TestGraphDatabaseFactory().newImpermanentDatabase();
    // when
    Result execute = graphDb.execute("RETURN point({x: 13.37, y: 13.37, crs:'cartesian'}) AS p");
    // then
    Object obj = execute.next().get("p");
    assertThat(obj, Matchers.instanceOf(Point.class));
    Point point = (Point) obj;
    assertThat(point.getCoordinate(), equalTo(new Coordinate(13.37, 13.37)));
    CRS crs = point.getCRS();
    assertThat(crs.getCode(), equalTo(7203));
    assertThat(crs.getType(), equalTo("cartesian"));
    assertThat(crs.getHref(), equalTo("http://spatialreference.org/ref/sr-org/7203/"));
}